How much do you bill for the truck sitting at the dock? Anchors billing on the appointment when the driver arrived on time, subtracts free time, applies your rounding rule and any weekend / holiday multiplier.
Weekend / holiday premium (default 1). Applied after rounding.
Source: Standard carrier accessorial practice — free time typically 2 hrs for LTL and truckload live-load / unload; increments of 15 min or 1 hr per carrier tariff. Rates and rounding follow the operating carrier's published tariff rules. Not a carrier commitment.